Researchers have designed a new type of pencil lead in which graphite is replaced with a compressed powder of carbon nanotubes. The lead, which can be used with a regular mechanical pencil, can ...

Sigma first promised a full-frame Foveon sensor back in 2018, but now problems have arisen and the design is being taken back to the drawing board. The last several decades have seen much of humanity ...

Recently I came across some non-contact liquid level sensors and gathered them out of curiosity. They have been available in the market for the past few years, but this time I was lucky enough to get ...